[INFO] updating cached repository LooMaclin/identity_function_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/LooMaclin/identity_function_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/LooMaclin/identity_function_rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/LooMaclin/identity_function_rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LooMaclin/identity_function_rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LooMaclin/identity_function_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a41e13662e11299a038c0310435a8812d072e1a4
[INFO] sha for GitHub repo LooMaclin/identity_function_rs: a41e13662e11299a038c0310435a8812d072e1a4
[INFO] validating manifest of LooMaclin/identity_function_rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of LooMaclin/identity_function_rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing LooMaclin/identity_function_rs
[INFO] finished frobbing LooMaclin/identity_function_rs
[INFO] frobbed toml for LooMaclin/identity_function_rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs/Cargo.toml
[INFO] started frobbing LooMaclin/identity_function_rs
[INFO] finished frobbing LooMaclin/identity_function_rs
[INFO] frobbed toml for LooMaclin/identity_function_rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/LooMaclin/identity_function_rs/Cargo.toml
[INFO] crate LooMaclin/identity_function_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing LooMaclin/identity_function_rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 96edd8e733831c556934224b488a881d787944f0748a3cb5c1d05ed7eee87b47
[INFO] running `"docker" "start" "-a" "96edd8e733831c556934224b488a881d787944f0748a3cb5c1d05ed7eee87b47"`
[INFO] [stderr]    Compiling identity_function v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "96edd8e733831c556934224b488a881d787944f0748a3cb5c1d05ed7eee87b47"`
[INFO] running `"docker" "rm" "-f" "96edd8e733831c556934224b488a881d787944f0748a3cb5c1d05ed7eee87b47"`
[INFO] [stdout] 96edd8e733831c556934224b488a881d787944f0748a3cb5c1d05ed7eee87b47
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 61f1599737d6b861a435115c97ebf700abcd43e7dfcc2d3117c2b2df436a5a82
[INFO] running `"docker" "start" "-a" "61f1599737d6b861a435115c97ebf700abcd43e7dfcc2d3117c2b2df436a5a82"`
[INFO] [stderr]    Compiling identity_function v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `"docker" "inspect" "61f1599737d6b861a435115c97ebf700abcd43e7dfcc2d3117c2b2df436a5a82"`
[INFO] running `"docker" "rm" "-f" "61f1599737d6b861a435115c97ebf700abcd43e7dfcc2d3117c2b2df436a5a82"`
[INFO] [stdout] 61f1599737d6b861a435115c97ebf700abcd43e7dfcc2d3117c2b2df436a5a82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/LooMaclin/identity_function_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] fa856d1f859542981169ee4d498c8318d69f51809b349fc1d8f022377e674f8d
[INFO] running `"docker" "start" "-a" "fa856d1f859542981169ee4d498c8318d69f51809b349fc1d8f022377e674f8d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/identity_function-7b780c52c76427ac
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::idt_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests identity_function
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "fa856d1f859542981169ee4d498c8318d69f51809b349fc1d8f022377e674f8d"`
[INFO] running `"docker" "rm" "-f" "fa856d1f859542981169ee4d498c8318d69f51809b349fc1d8f022377e674f8d"`
[INFO] [stdout] fa856d1f859542981169ee4d498c8318d69f51809b349fc1d8f022377e674f8d